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119 lines
4 KiB
Python
119 lines
4 KiB
Python
import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import i2c, sensor
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from esphome.const import (
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CONF_HUMIDITY,
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CONF_ID,
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CONF_IIR_FILTER,
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CONF_OVERSAMPLING,
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CONF_PRESSURE,
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CONF_TEMPERATURE,
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DEVICE_CLASS_HUMIDITY,
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DEVICE_CLASS_PRESSURE,
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DEVICE_CLASS_TEMPERATURE,
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STATE_CLASS_MEASUREMENT,
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UNIT_CELSIUS,
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UNIT_HECTOPASCAL,
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UNIT_PERCENT,
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)
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DEPENDENCIES = ["i2c"]
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bme280_ns = cg.esphome_ns.namespace("bme280")
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BME280Oversampling = bme280_ns.enum("BME280Oversampling")
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OVERSAMPLING_OPTIONS = {
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"NONE": BME280Oversampling.BME280_OVERSAMPLING_NONE,
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"1X": BME280Oversampling.BME280_OVERSAMPLING_1X,
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"2X": BME280Oversampling.BME280_OVERSAMPLING_2X,
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"4X": BME280Oversampling.BME280_OVERSAMPLING_4X,
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"8X": BME280Oversampling.BME280_OVERSAMPLING_8X,
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"16X": BME280Oversampling.BME280_OVERSAMPLING_16X,
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}
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BME280IIRFilter = bme280_ns.enum("BME280IIRFilter")
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IIR_FILTER_OPTIONS = {
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"OFF": BME280IIRFilter.BME280_IIR_FILTER_OFF,
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"2X": BME280IIRFilter.BME280_IIR_FILTER_2X,
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"4X": BME280IIRFilter.BME280_IIR_FILTER_4X,
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"8X": BME280IIRFilter.BME280_IIR_FILTER_8X,
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"16X": BME280IIRFilter.BME280_IIR_FILTER_16X,
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}
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BME280Component = bme280_ns.class_(
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"BME280Component", cg.PollingComponent, i2c.I2CDevice
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)
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CONFIG_SCHEMA = (
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cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(BME280Component),
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cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
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unit_of_measurement=UNIT_CELSIUS,
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accuracy_decimals=1,
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device_class=DEVICE_CLASS_TEMPERATURE,
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state_class=STATE_CLASS_MEASUREMENT,
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).extend(
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{
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cv.Optional(CONF_OVERSAMPLING, default="16X"): cv.enum(
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OVERSAMPLING_OPTIONS, upper=True
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),
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}
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),
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cv.Optional(CONF_PRESSURE): sensor.sensor_schema(
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unit_of_measurement=UNIT_HECTOPASCAL,
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accuracy_decimals=1,
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device_class=DEVICE_CLASS_PRESSURE,
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state_class=STATE_CLASS_MEASUREMENT,
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).extend(
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{
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cv.Optional(CONF_OVERSAMPLING, default="16X"): cv.enum(
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OVERSAMPLING_OPTIONS, upper=True
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),
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}
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),
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cv.Optional(CONF_HUMIDITY): sensor.sensor_schema(
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unit_of_measurement=UNIT_PERCENT,
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accuracy_decimals=1,
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device_class=DEVICE_CLASS_HUMIDITY,
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state_class=STATE_CLASS_MEASUREMENT,
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).extend(
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{
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cv.Optional(CONF_OVERSAMPLING, default="16X"): cv.enum(
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OVERSAMPLING_OPTIONS, upper=True
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),
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}
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),
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cv.Optional(CONF_IIR_FILTER, default="OFF"): cv.enum(
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IIR_FILTER_OPTIONS, upper=True
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),
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}
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)
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.extend(cv.polling_component_schema("60s"))
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.extend(i2c.i2c_device_schema(0x77))
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)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_component(var, config)
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await i2c.register_i2c_device(var, config)
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if CONF_TEMPERATURE in config:
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conf = config[CONF_TEMPERATURE]
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sens = await sensor.new_sensor(conf)
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cg.add(var.set_temperature_sensor(sens))
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cg.add(var.set_temperature_oversampling(conf[CONF_OVERSAMPLING]))
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if CONF_PRESSURE in config:
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conf = config[CONF_PRESSURE]
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sens = await sensor.new_sensor(conf)
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cg.add(var.set_pressure_sensor(sens))
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cg.add(var.set_pressure_oversampling(conf[CONF_OVERSAMPLING]))
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if CONF_HUMIDITY in config:
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conf = config[CONF_HUMIDITY]
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sens = await sensor.new_sensor(conf)
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cg.add(var.set_humidity_sensor(sens))
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cg.add(var.set_humidity_oversampling(conf[CONF_OVERSAMPLING]))
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cg.add(var.set_iir_filter(config[CONF_IIR_FILTER]))
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